MEDIUM

CVE-2026-90775

2026-09-13 CVSS v3.1

CVSS

6.5

Description

PostGIS address_standardizer through 3.7.0 fails to validate the Weight parameter from caller-supplied rules tables before using it as an array index. Attackers can craft malicious rule rows with out-of-range Weight values to trigger out-of-bounds reads in the load_value array, causing the PostgreSQL backend process to crash and terminate all cluster sessions.

Weakness (CWE)

CWE-125 Out-of-bounds Read

EPSS Score

0.35%

Probability of exploitation in next 30 days

28.1th percentile

References

https://github.com/postgis/address_standardizer https://github.com/postgis/address_standardizer/blob/e987949e0fccff6a0e7a6d3f86814d5c7a01f481/NEWS.md https://github.com/postgis/address_standardizer/blob/v3.7.0/src/analyze.c#L860 https://github.com/postgis/address_standardizer/blob/v3.7.0/src/gamma.c#L301-L311 https://github.com/postgis/address_standardizer/commit/a5cb4b1360a040973092f13b1af97a718e7e104a https://github.com/postgis/address_standardizer/commit/e987949e0fccff6a0e7a6d3f86814d5c7a01f481 https://github.com/postgis/address_standardizer/pull/6 https://www.vulncheck.com/advisories/postgis-address-standardizer-through-3.7.0-out-of-bounds-read-via-unvalidated-rule-weight

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